290485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 16

約数和(自身を含む): 388080

約数和(自身を除く): 97595

約数列:

[1, 5, 13, 41, 65, 109, 205, 533, 545, 1417, 2665, 4469, 7085, 22345, 58097, 290485]

約数ペア:

[(1, 290485), (5, 58097), (13, 22345), (41, 7085), (65, 4469), (109, 2665), (205, 1417), (533, 545)]